Valve



FIG. 1 is a perspective view of a valve in accordance with my invention thereof;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front view of a valve.

The broken lines showing unclaimed portions in FIGS. 2 and 7 form no part of the claimed design. 

The ornamental design for a valve, as shown and described. 